<template>
  <div
    id="app1"
    class="wrapper"
    v-cloak
    v-bind:class="{ 'is-previous': isPreviousSlide, 'first-load': isFirstLoad }"
  >
    <div
      class="slide-wrapper"
      v-for="(slide, index) in slides"
      :key="index"
      v-bind:class="{ active: index === currentSlide }"
      v-bind:style="{
        'z-index': slides.length - index,
        'background-image': 'url(' + slide.bgImg + ')'
      }"
    >
      <div class="slide-inner">
        <div class="slide-bg-text">
          <p>{{ slide.headlineFirstLine }}</p>
          <p>{{ slide.headlineSecondLine }}</p>
        </div>
        <div class="slide-rect-filter">
          <div
            class="slide-rect"
            v-bind:style="{
              'border-image-source': 'url(' + slide.rectImg + ')'
            }"
          ></div>
        </div>
        <div class="slide-content">
          <h1 class="slide-content-text">
            <p>{{ slide.headlineFirstLine }}</p>
            <p>{{ slide.headlineSecondLine }}</p>
          </h1>
          <a class="slide-content-cta">Call To Action</a>
        </div>
        <h2 class="slide-side-text">
          <span>{{ slide.sublineFirstLine }} / </span
          ><span>{{ slide.sublineSecondLine }}</span>
        </h2>
      </div>
    </div>
    <div class="controls-container">
      <button
        class="controls-button"
        v-for="(slide, index) in slides"
        :key="index"
        v-bind:class="{ active: index === currentSlide }"
        v-on:click="updateSlide(index)"
      >
        {{ slide.headlineFirstLine }} {{ slide.headlineSecondLine }}
      </button>
    </div>
    <div class="pagination-container">
      <span
        class="pagination-item"
        :key="index"
        v-for="(slide, index) in slides"
        v-bind:class="{ active: index === currentSlide }"
        v-on:click="updateSlide(index)"
      ></span>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      currentSlide: 0,
      isPreviousSlide: false,
      isFirstLoad: true,
      slides: [
        {
          headlineFirstLine: "Lorem",
          headlineSecondLine: "Vitaer",
          sublineFirstLine: "Nihil sub sole",
          sublineSecondLine: "novum",
          bgImg: "https://i.postimg.cc/C5yvGSkm/slide0.jpg",
          rectImg: "https://i.postimg.cc/vTW0XkvM/slide-rect0.jpg"
        },
        {
          headlineFirstLine: "Nulla",
          headlineSecondLine: "Auctor",
          sublineFirstLine: "Il n'y a rien de neuf sous",
          sublineSecondLine: "le soleil",
          bgImg: "https://i.postimg.cc/Qx34VNXM/slide1.jpg",
          rectImg: "https://i.postimg.cc/ryWZ8R2b/slide-rect1.jpg"
        },
        {
          headlineFirstLine: "Nullam",
          headlineSecondLine: "Ultricies",
          sublineFirstLine: "Τίποτα καινούργιο κάτω από",
          sublineSecondLine: "τον ήλιο",
          bgImg: "https://i.postimg.cc/t4RBtrnQ/slide2.jpg",
          rectImg: "https://i.postimg.cc/3JFLGMRF/slide-rect2.jpg"
        }
      ]
    };
  },
  mounted() {
    var productRotatorSlide = document.getElementById("app1");
    var startX = 0;
    var endX = 0;

    productRotatorSlide.addEventListener(
      "touchstart",
      event => (startX = event.touches[0].pageX)
    );

    productRotatorSlide.addEventListener(
      "touchmove",
      event => (endX = event.touches[0].pageX)
    );

    productRotatorSlide.addEventListener(
      "touchend",
      function(event) {
        var threshold = startX - endX;

        if (threshold < 150 && 0 < this.currentSlide) {
          this.currentSlide--;
        }
        if (threshold > -150 && this.currentSlide < this.slides.length - 1) {
          this.currentSlide++;
        }
      }.bind(this)
    );
  },
  methods: {
    updateSlide(index) {
      index < this.currentSlide
        ? (this.isPreviousSlide = true)
        : (this.isPreviousSlide = false);
      this.currentSlide = index;
      this.isFirstLoad = false;
    }
  }
};
</script>
<style scoped>
.controls-button,
.slide-side-text,
.slide-content-cta {
  font-family: "Montserrat";
  text-transform: uppercase;
  color: #fff;
  letter-spacing: 0.12rem;
  font-size: 0.7rem;
  line-height: 1;
}

[v-cloak] {
  opacity: 0;
}

.wrapper {
  height: 900px;
  min-height: 36rem;
  position: relative;
}
@media (max-width: 630px) {
  .wrapper {
    height: 100vh;
    min-height: 0;
  }
}

.slide-wrapper {
  background-size: cover;
  height: 100%;
  background-position: center center;
  position: absolute;
  width: 100%;
  background-blend-mode: darken;
}
.slide-wrapper:nth-child(1) {
  background-color: rgba(115, 129, 153, 0.4);
}
.slide-wrapper:nth-child(1):before {
  background-color: rgba(115, 129, 153, 0.25);
}
.slide-wrapper:nth-child(1) .slide-content-text {
  text-shadow: 2px 5px 45px rgba(85, 96, 113, 0.25);
}
.slide-wrapper:nth-child(2) {
  background-color: rgba(144, 171, 184, 0.7);
}
.slide-wrapper:nth-child(2):before {
  background-color: rgba(144, 171, 184, 0.3);
}
.slide-wrapper:nth-child(2) .slide-content-text {
  text-shadow: 2px 5px 45px rgba(121, 142, 152, 0.2);
}
.slide-wrapper:nth-child(3) {
  background-color: rgba(86, 125, 156, 0.5);
}
.slide-wrapper:nth-child(3):before {
  background-color: rgba(86, 125, 156, 0.2);
}
.slide-wrapper:nth-child(3) .slide-content-text {
  text-shadow: 2px 5px 55px rgba(57, 83, 103, 0.4);
}
.slide-wrapper:before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.slide-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  overflow: hidden;
}
.slide-bg-text {
  font-family: "Playfair Display";
  color: #000;
  font-size: 42vh;
  line-height: 0.8;
  opacity: 0.03;
  font-weight: 900;
  margin-top: -4rem;
  position: absolute;
  top: 50%;
  left: 5vw;
  transform: translateY(-50%);
}
.slide-bg-text > p:last-child {
  padding-left: 4rem;
}
.slide-content {
  color: #fff;
  margin-top: 5rem;
  position: absolute;
  top: 50%;
  left: calc(13vw + (0.7) * 48vh);
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
}
@media (max-width: 1000px) {
  .slide-content {
    left: calc(13vw + 1rem);
  }
}
@media (max-height: 730px) {
  .slide-content {
    top: 30%;
    transform: translateY(-30%);
    left: calc(9vw + (0.7) * 16vw);
  }
}
.slide-content-text {
  font-family: "Playfair Display";
  font-size: 9rem;
  letter-spacing: 0.2rem;
  line-height: 0.87;
  font-weight: 700;
  will-change: auto;
}
@media (max-height: 790px) {
  .slide-content-text {
    font-size: 7rem;
  }
}
@media (max-width: 1150px) {
  .slide-content-text {
    font-size: 7rem;
  }
}
@media (max-width: 840px) {
  .slide-content-text {
    font-size: 5.5rem;
  }
}
@media (max-width: 630px) {
  .slide-content-text {
    margin-bottom: 5.5rem;
  }
}
@media (max-width: 500px) {
  .slide-content-text {
    font-size: 3.5rem;
  }
}
.slide-content-text > p:last-child {
  padding-left: 3rem;
}
.slide-content-cta {
  cursor: pointer;
  align-self: flex-start;
  margin-top: 4.5rem;
  margin-left: calc((0.3) * 48vh + 4.5rem);
  padding: 0.9rem 2.2rem;
  border-left: 1px solid #fff;
  border-right: 1px solid #fff;
  transition: 0.18s ease-in-out;
  font-weight: 700;
}
@media (max-width: 1000px) {
  .slide-content-cta {
    background-color: rgba(255, 255, 255, 0.3);
    padding-top: 1.2rem;
    padding-bottom: 1.2rem;
  }
}
@media (max-width: 630px) {
  .slide-content-cta {
    display: none;
  }
}
.slide-content-cta:hover {
  color: #000;
  background-color: #fff;
}
.slide-rect {
  height: 62vh;
  width: 48vh;
  border-image-slice: 10%;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 13vw;
  border-width: 5vh;
  border-style: solid;
  box-shadow: 2px 2px 90px 30px rgba(41, 50, 61, 0.22);
  will-change: auto;
}
@media (max-height: 790px) {
  .slide-rect {
    left: 9vw;
    height: 20vw;
    width: 16vw;
    border-width: 5vh;
  }
}
@media (max-height: 730px) {
  .slide-rect {
    top: 30%;
    transform: translateY(-30%);
  }
}
.slide-rect-filter {
  filter: brightness(110%) contrast(110%) saturate(110%);
}
.slide-side-text {
  position: absolute;
  left: calc(13vw - 3rem);
  writing-mode: vertical-rl;
  top: calc((50% - (62vh / 2)) + (5vh / 2));
}
@media (max-height: 790px) {
  .slide-side-text {
    left: calc(9vw - 3rem);
    top: calc((50% - (20vw / 2)) + (5vh / 2));
  }
}
@media (max-height: 730px) {
  .slide-side-text {
    top: calc((40% - (20vw / 2)) + (5vh / 2));
  }
}
.slide-side-text > span:first-child {
  font-weight: 700;
}
.slide-side-text:after {
  content: "";
  width: 1px;
  background-color: #fff;
  height: 40px;
  display: block;
  position: absolute;
  top: calc(100% + 25px);
  left: 50%;
  transform: translateX(-50%);
}

.controls-container {
  position: absolute;
  z-index: 200;
  display: flex;
  bottom: 0;
  right: 0;
  align-items: flex-end;
}
@media (max-width: 630px) {
  .controls-container {
    display: none;
  }
}
.controls-button {
  cursor: pointer;
  background-color: rgba(208, 206, 204, 0.32);
  border: 0;
  padding: 1.6rem 2.2rem;
  flex-basis: 0;
  flex-grow: 1;
  min-width: 15rem;
  transition: 0.25s ease-in-out;
  outline: 0;
}
@media (max-width: 730px) {
  .controls-button {
    padding: 1.2rem 1.4rem;
    min-width: 13rem;
  }
}
.controls-button:not(.active):hover {
  color: #000;
  background-color: #fff;
}
.controls-button.active {
  cursor: default;
  font-weight: 700;
  background-color: #3b3e45;
  padding-top: 1.9rem;
  padding-bottom: 1.9rem;
  margin-bottom: -0.3rem;
  position: relative;
}
@media (max-width: 730px) {
  .controls-button.active {
    padding-top: 1.4rem;
    padding-bottom: 1.4rem;
    margin-bottom: -0.15rem;
  }
}
.controls-button.active:after {
  content: "";
  background-color: #e3e3e3;
  height: 5px;
  width: calc(100% - 8px);
  position: absolute;
  top: 100%;
  left: 4px;
}
.controls-button:not(.active) + .controls-button {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.pagination-container {
  position: absolute;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
}
@media (max-width: 920px) {
  .pagination-container {
    display: none;
  }
}
.pagination-item {
  width: 30px;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.6);
  transition: 0.18s ease-in-out;
}
.pagination-item + .pagination-item {
  margin-top: 1rem;
}
.pagination-item.active {
  background-color: #fff;
  position: relative;
  transform: translateX(-0.6rem);
  width: 35px;
}
.pagination-item.active:after {
  content: "";
  height: 4px;
  width: 2px;
  border-radius: 35%;
  background-color: #fff;
  display: inline-block;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateX(0.6rem) translateY(-50%);
}
.pagination-item:not(.active) {
  cursor: pointer;
}
.pagination-item:not(.active):hover {
  background-color: #fff;
  width: 35px;
}

@keyframes slideLeft {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}
@keyframes slideRight {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}
@keyframes cutTextUp {
  from {
    clip-path: inset(0 0 -10% 0);
  }
  to {
    clip-path: inset(0 0 100% 0);
  }
}
@keyframes cutTextDown {
  from {
    clip-path: inset(100% 0 0 0);
  }
  to {
    clip-path: inset(-10% 0 -20% 0);
    opacity: 1;
  }
}
@keyframes cutTextDownFromTop {
  from {
    clip-path: inset(0 0 100% 0);
  }
  to {
    clip-path: inset(0 0 -30% 0);
    opacity: 1;
  }
}
@keyframes rectMovement {
  0% {
    transform: translateX(0) rotate(0) translateY(-50%);
  }
  60% {
    opacity: 1;
  }
  100% {
    transform: translateX(calc(-48vh + -13vw)) rotate(12deg) translateY(-50%);
    opacity: 0;
  }
}
@media (max-height: 730px) {
  @keyframes rectMovement {
    0% {
      transform: translateX(0) rotate(0) translateY(-30%);
    }
    60% {
      opacity: 1;
    }
    100% {
      transform: translateX(calc(-48vh + -13vw)) rotate(12deg) translateY(-30%);
      opacity: 0;
    }
  }
}
@keyframes rectMovementFromRight {
  0% {
    transform: translateX(calc(48vh)) rotate(12deg) translateY(-50%);
    opacity: 0;
  }
  60% {
    opacity: 1;
  }
  100% {
    transform: translateX(0) rotate(0) translateY(-50%);
    opacity: 1;
    @media (max-height: 730px) {
      transform: translateX(0) rotate(0) translateY(-30%);
    }
  }
}
@media (max-height: 730px) {
  @keyframes rectMovementFromRight {
    0% {
      transform: translateX(calc(48vh)) rotate(12deg) translateY(-30%);
      opacity: 0;
    }
    60% {
      opacity: 1;
    }
    100% {
      transform: translateX(0) rotate(0) translateY(-30%);
      opacity: 1;
    }
  }
}
@keyframes rectMovementRight {
  0% {
    transform: translateX(calc(-48vh + -13vw)) rotate(12deg) translateY(-50%);
  }
  40% {
    opacity: 1;
  }
  100% {
    transform: translateX(0) rotate(0) translateY(-50%);
    opacity: 1;
    @media (max-height: 730px) {
      transform: translateX(0) rotate(0) translateY(-30%);
    }
  }
}
@media (max-height: 730px) {
  @keyframes rectMovementRight {
    0% {
      transform: translateX(calc(-48vh + -13vw)) rotate(12deg) translateY(-30%);
    }
    40% {
      opacity: 1;
    }
    100% {
      transform: translateX(0) rotate(0) translateY(-30%);
      opacity: 1;
    }
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.slide-wrapper {
  opacity: 0;
  transition-delay: 1.4s;
  transition-duration: 0s;
  transition-property: opacity;
  will-change: opacity, transform;
}
.slide-wrapper:not(.active) {
  animation-delay: 0.5s;
  animation-name: slideLeft;
  animation-duration: 0.9s;
  animation-timing-function: cubic-bezier(0.18, 0.54, 0.52, 0.93);
  pointer-events: none;
}
.slide-wrapper:not(.active) .slide-content-text > p,
.slide-wrapper:not(.active) .slide-side-text {
  animation-name: cutTextUp;
  animation-duration: 0.5s;
  animation-timing-function: ease-out;
}
.slide-wrapper:not(.active) .slide-rect {
  animation-name: rectMovement;
  animation-duration: 0.5s;
  animation-timing-function: ease;
  animation-fill-mode: forwards;
}
.slide-wrapper.active {
  transition-delay: 0s;
  opacity: 1;
}
.slide-wrapper.active .slide-content-text > p {
  opacity: 0;
  animation-delay: 0.8s;
  animation-name: cutTextDown;
  animation-duration: 0.5s;
  animation-timing-function: ease;
  animation-fill-mode: forwards;
}
.slide-wrapper.active .slide-rect {
  opacity: 0;
  animation-name: rectMovementFromRight;
  animation-duration: 0.45s;
  animation-timing-function: ease;
  animation-fill-mode: forwards;
  animation-delay: 0.9s;
}
.is-previous .slide-wrapper:not(.active) {
  animation: none;
}
.is-previous .slide-wrapper:not(.active) .slide-rect {
  animation: none;
}
.is-previous .slide-wrapper.active {
  transform: translateX(-100%);
  animation-fill-mode: forwards;
  animation-delay: 0.5s;
  animation-name: slideRight;
  animation-duration: 0.8s;
  animation-timing-function: cubic-bezier(0.18, 0.54, 0.52, 0.93);
}
.is-previous .slide-wrapper.active .slide-rect {
  opacity: 0;
  animation-name: rectMovementRight;
  animation-duration: 0.5s;
  animation-timing-function: ease-out;
  animation-fill-mode: forwards;
  animation-delay: 0.9s;
}

.first-load .slide-wrapper.active .slide-side-text,
.first-load .slide-wrapper.active .slide-content-cta,
.first-load .slide-wrapper.active .slide-rect,
.first-load .controls-container {
  opacity: 0;
  animation-name: fadeIn;
  animation-delay: 0.3s;
  animation-duration: 0.3s;
  animation-fill-mode: forwards;
  animation-timing-function: ease-in;
}
.first-load .slide-wrapper.active .slide-content-text > p {
  animation-name: fadeIn;
  animation-delay: 0.5s;
  animation-duration: 0.7s;
}
</style>
